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Who wrote the play La Tosca that inspired the opera?

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Art Nouveau poster by Adolfo Hohenstein for Puccini's opera Tosca, showing a woman in a gold dress standing over a fallen figure, with dramatic red and black background and bold title text. — Tosca Poster by Adolfo Hohenstein for Giacomo Puccini's opera *Tosca*, 1906.

The play La Tosca, which served as the basis for Giacomo Puccini’s opera, was written by the French playwright Victorien Sardou. First performed in 1887, the melodrama was originally written for the actress Sarah Bernhardt.12